Articles by Author: Rebecca L Thomas

Search results for Rebecca L Thomas

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  1. Game fence presence and permeability influences the local movement and distribution of South African mammals

    Game fence presence and permeability influences the local movement and distribution of South African mammals

    Item type: Journal Article • Journal: African Zoology
    Fences are utilised throughout the world to restrict the movements of wildlife, protecting them from threats and reducing human–wildlife conflict. In South Africa the number of privately-owned fenced game reserves has greatly increased in recent years, but little is known...
  2. Establishment of <em>stylosanthes guyanensis</em> in marandellas sandveld

    Establishment of <em>stylosanthes guyanensis</em> in marandellas sandveld

    The feasibility of establishing perennial forage legumes in veld has been investigated at Grasslands Research Station, Marandellas. Of the species tested, Stylosanthes guyanensis (stylo) appeared most suitable.
  3. A method of age determination for the South West African pilchard <em>Sardinops ocellata</em>

    A method of age determination for the South West African pilchard <em>Sardinops ocellata</em>

    Item type: Journal Article • Journal: South African Journal of Marine Science
    A method of age determination, based on recent research on growth and ring formation, is described for the pilchard of South West Africa. Dates of ring formation from 1971 to 1981 are documented. Illustrated examples of otolith interpretations are given.
  4. Evaluation of the effects of scorching caused by the directed application of a paraquat-containing herbicide mixture to the base of maize plants at various ages

    Evaluation of the effects of scorching caused by the directed application of a paraquat-containing herbicide mixture to the base of maize plants at various ages

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    The effect of herbicides which scorched the lower leaves of maize was compared in three seasons. The first season was relatively dry whilst the other two were wetter seasons. A mixture of cyanazine + atrazine + paraquat + a wetting...
  5. Chemical control of some broadleaved weeds which grow during winter in untilled maize lands

    Chemical control of some broadleaved weeds which grow during winter in untilled maize lands

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Several experiments have been done at Cedara in attempts to control broadleaved weeds in unfilled lands during winter. A number of herbicide treatments were tested on Conyza spp., Coronopus didymus, Gnaphalium spp., Hypochoeris radicata, Oenothera rosea and Taraxacum officinale. Where...
  6. The effect of <em>Oxalis latifolia</em> competition in maize

    The effect of <em>Oxalis latifolia</em> competition in maize

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    The competitive effect of Oxalis latifolia H.B.K, (red garden sorrel) in maize has been investigated in the past four seasons at Cedara. The site chosen had a heavy O. latifolia infestation. In each of the four seasons initial weed control...
  7. PROXIMAL LIMIT SPACES

    PROXIMAL LIMIT SPACES

    Item type: Journal Article • Journal: Quaestiones Mathematicae
    The proximal limit spaces are introduced which fill the gap arising from the existence of proximity spaces, uniform spaces, and uniform limit spaces. It is shown that the proximal limit spaces can be considered as a bireflective subcategory of the...
  8. Porting an English Spoken Dialogue System to Xhosa and Zulu

    Porting an English Spoken Dialogue System to Xhosa and Zulu

    Item type: Journal Article • Journal: South African Journal of African Languages
    The development of Xhosa and Zulu spoken dialogue systems, based on a working English prototype, is described. While direct translations of the system prompts and recognition grammars from English to Xhosa and Zulu, respectively, were appropriate in some cases, language-...
  9. Controversies around the so-called alliterative concord in African languages: A Critical Language Awareness on communicative competence with specific reference to Tshivenda<sup>1</sup>

    Controversies around the so-called alliterative concord in African languages: A Critical Language Awareness on communicative competence with specific reference to Tshivenda<sup>1</sup>

    Item type: Journal Article • Journal: South African Journal of African Languages
    One aspect in syntactic studies that has fascinated European linguistic pioneers of African languages has been the concord which they have dubbed ‘the alliterative concord’. In their grammatical treatment of this phenomenon they purposefully created sentences to underscore their discovery...
  10. Urban Aquaculture

    Urban Aquaculture

    Item type: Journal Article • Journal: African Journal of Aquatic Science